| SSSkilcraft Sheetmetal INC | Burlington | KY | — | ◇ UNVERIFIED |
| SESmith Equipment Manufacturing | Watertown | SD | — | ◇ UNVERIFIED |
| STSms Technical Services LLC | Osceola | AR | — | ◇ UNVERIFIED |
| SMSmw Mfg Amsted Automotive Group-belleville | Belleville | MI | — | ◇ UNVERIFIED |
| SASouth Atlantic Galvanizing | Shannon | MS | — | ◇ UNVERIFIED |
| SASouth Atlantic Galvanizing | Graham | NC | — | ◇ UNVERIFIED |
| SASouth Atlantic Galvanizing | Mulberry | FL | — | ◇ UNVERIFIED |
| SASouth Atlantic Galvanizing | Travelers Rest | SC | — | ◇ UNVERIFIED |
| SPSouthwestern Plating Houston Plant | Houston | TX | — | ◇ UNVERIFIED |
| SFSpecialty Fabrication & Powd Er Coating LLC | Franklin | PA | — | ◇ UNVERIFIED |
| SMSpecialty Metals Processing, INC. | Stow | OH | — | ◇ UNVERIFIED |
| SISpeedring Inccorporated | Cullman | AL | — | ◇ UNVERIFIED |
 Spg International LLC Br #x032 Universal Brand | Aurora | CO | — | ◇ UNVERIFIED |
| SMSpinco Metal Products INC. | Newark | NY | — | ◇ UNVERIFIED |
| SCSpx CORP Lightning Div | Rochester | NY | — | ◇ UNVERIFIED |
| SFSpx Flow US INC | Delavan | WI | — | ◇ UNVERIFIED |
| SDSquare D Company | Hopkins | SC | — | ◇ UNVERIFIED |
| SGSrg Global Automotive LLC | Covington | GA | — | ◇ UNVERIFIED |
| SGSrg Global - Evansville | Evansville | IN | — | ◇ UNVERIFIED |
| SSSrt Sales and Service (1576001860) | Canton | OH | — | ◇ UNVERIFIED |
| SLStanley Labounty | Two Harbors | MN | — | ◇ UNVERIFIED |
| SWStanley Works INC Tools Div | Cheraw | SC | — | ◇ UNVERIFIED |
| SPStar Precision | Longmont | CO | — | ◇ UNVERIFIED |
 Steel Industries Plant 4 | Redford | MI | — | ◇ UNVERIFIED |
| SMSteel Management Services | Nazareth | PA | — | ◇ UNVERIFIED |
| STSteel Technologies LLC | Ghent | KY | — | ◇ UNVERIFIED |
| SPSterling Plating INC | Harwood Heights | IL | — | ◇ UNVERIFIED |
| SPStorm Prods INC | Brigham City | UT | — | ◇ UNVERIFIED |
| SDStreator Dependable Manufacturing | Streator | IL | — | ◇ UNVERIFIED |
 Superior Forge & Steel CO. | New Castle | PA | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Solon | OH | — | ◇ UNVERIFIED |
| SISystems INC | Germantown | WI | — | ◇ UNVERIFIED |
| TUTarkett USA INC. | Middlefield | OH | — | ◇ UNVERIFIED |
 Team Industries-audubon | Audubon | MN | — | ◇ UNVERIFIED |
| Team Industries Park Rapids | Park Rapids | MN | — | ◇ UNVERIFIED |
| TITech-etch, INC | Litchfield | MN | — | ◇ UNVERIFIED |
| TMTech Met Inc/glassport | Glassport | PA | — | ◇ UNVERIFIED |
| TATeijin Automotive Technologies Louisiana LLC | Sarepta | LA | — | ◇ UNVERIFIED |
| TTelsmith | Thiensville | WI | — | ◇ UNVERIFIED |
| TSTemtco Steel INC | Chicago | IL | — | ◇ UNVERIFIED |
| TSTemtco Steel Tumwater | Tumwater | WA | — | ◇ UNVERIFIED |
| TTerex | Huron | SD | — | ◇ UNVERIFIED |
| THTexas Honing INC - North Facility | Houston | TX | — | ◇ UNVERIFIED |
| TTThe Techs - Nextech Plant | Turtle Creek | PA | — | ◇ UNVERIFIED |
| TBThomas & Betts Caribe INC | Vega Baja | PR | — | ◇ UNVERIFIED |
| TJThree J's Industries INC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| TUTimken US CORP Honea Path | Honea Path | SC | — | ◇ UNVERIFIED |
| TTiodize | Huntington Beach | CA | — | ◇ UNVERIFIED |
| TTTip Top Screw | Oscoda | MI | — | ◇ UNVERIFIED |
| TATower Automotive Tool L L C | Elkton | MI | — | ◇ UNVERIFIED |
| TCTrex CO | Fernley | NV | — | ◇ UNVERIFIED |
| TITri-con Industries, LTD. Manufacturing Plant | Lincoln | NE | — | ◇ UNVERIFIED |
| TITri-con Industries Stamping Plant | Lincoln | NE | — | ◇ UNVERIFIED |
| TGTrident Graphics NA LLC | Chester | VA | — | ◇ UNVERIFIED |
| TLTrimold LLC (0165010125) | Circleville | OH | — | ◇ UNVERIFIED |
| TITrinity Inds Head Div #56 | Navasota | TX | — | ◇ UNVERIFIED |
| TITrinity Industries Plant 26 | Fort Worth | TX | — | ◇ UNVERIFIED |
| TTTrinity Tank Car INC Plt 200 | Longview | TX | — | ◇ UNVERIFIED |
| TPTriplex Plating INC. | Michigan City | IN | — | ◇ UNVERIFIED |
| TATrw Automotive | Fenton | MI | — | ◇ UNVERIFIED |
| TCTurbine Components Corporation | Branford | CT | — | ◇ UNVERIFIED |
| TITurner Industries Group LLC | Port Allen | LA | — | ◇ UNVERIFIED |
 Tyco Fire Products Lubbock | Lubbock | TX | — | ◇ UNVERIFIED |
| TVTyco Valves & Controls Harlingen | Harlingen | TX | — | ◇ UNVERIFIED |
| UGUnited Galvanizing INC | Houston | TX | — | ◇ UNVERIFIED |
| USUnited Silicone INC | Lancaster | NY | — | ◇ UNVERIFIED |
| UDUS Department of the Treasury US Mint Denver | Denver | CO | — | ◇ UNVERIFIED |
| VNVae Nortrak North America | Newton | KS | — | ◇ UNVERIFIED |
| VCValley Chrome Plating INC | Clovis | CA | — | ◇ UNVERIFIED |
| VPValley Plating Works | Conway | AR | — | ◇ UNVERIFIED |
| VCValmont Coatings | West Point | NE | — | ◇ UNVERIFIED |
| VCValmont Coatings INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| VCValmont Coatings Intermountain Galvanizing | Lindon | UT | — | ◇ UNVERIFIED |
| VCValmont Columbia Galvanizing INC | West Columbia | SC | — | ◇ UNVERIFIED |
| VPValmont Pacific States Galvanizing | Tualatin | OR | — | ◇ UNVERIFIED |
| VIValto INC | Channahon | IL | — | ◇ UNVERIFIED |
| VIVariform INC | Martinsburg | WV | — | ◇ UNVERIFIED |
| VRVeeder Root CO | Duncansville | PA | — | ◇ UNVERIFIED |
| VVeka | Morganton | NC | — | ◇ UNVERIFIED |
| VMV & M Aerospace LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| VUVoith US INC | Appleton | WI | — | ◇ UNVERIFIED |
| VCVolvo Const Equip North Amer Llc/shippensburg | Shippensburg | PA | — | ◇ UNVERIFIED |
| VCVorteq Coil Finishers LLC | Woodstock | IL | — | ◇ UNVERIFIED |
| VIVulcan Industries, INC. | Moody | AL | — | ◇ UNVERIFIED |
| WCWabco CORP | Duncan | SC | — | ◇ UNVERIFIED |
| WSWaterbury Screw Machine Products | Waterbury | CT | — | ◇ UNVERIFIED |
| WFWatersaver Faucet CO | Chicago | IL | — | ◇ UNVERIFIED |
| WEWeasler Engineering | Kewaskum | WI | — | ◇ UNVERIFIED |
| WAWeatherford Als LLC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| WIWesterman INC Bremen Plant (0123000286) | Bremen | OH | — | ◇ UNVERIFIED |
| WRWestlake Royal Building Products | Metamora | MI | — | ◇ UNVERIFIED |
| WCWheelabrator CORP | Lagrange | GA | — | ◇ UNVERIFIED |
| WMWheeling Machine Products Division | Pine Bluff | AR | — | ◇ UNVERIFIED |
| WEWoods Equipment Company - Cf Division | Kronenwetter | WI | — | ◇ UNVERIFIED |
| WIWsi Industries | Monticello | MN | — | ◇ UNVERIFIED |
| WCWynright Corporationnp | Hobart | IN | — | ◇ UNVERIFIED |
| XLXaloy, LLC | Austintown, Township of | OH | — | ◇ UNVERIFIED |
| XCXerxes CORP | Anaheim | CA | — | ◇ UNVERIFIED |
| XCXylem Cheektowala | Cheektowaga | NY | — | ◇ UNVERIFIED |
